<%@page contentType="text/html; charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表达式实例1</title>
</head>
<body>
<%!
    String url = "expressionHref.jsp";
%>

<a href="<%=url%>">点击跳转</a>
<form action="<%=url%>">
<input type="submit" value="点击跳转"/>
</form>
</body>
</html>